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- How to identify a puzzle?
by jco » Thu Sep 03, 2020 7:49 pm - 12 Replies
- 1249 Views
- Last post by jco
Sun Sep 06, 2020 9:03 pm
- How to identify a puzzle?
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- Grids containing a 21 but no 20
1, 2by blue » Wed Jun 26, 2019 5:16 pm - 18 Replies
- 3092 Views
- Last post by Mathimagics
Tue Sep 01, 2020 9:13 am
- Grids containing a 21 but no 20
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- Copy / past diagrams
1, 2by Pupp » Thu Aug 27, 2020 2:58 pm - 19 Replies
- 1986 Views
- Last post by SpAce
Sat Aug 29, 2020 3:03 pm
- Copy / past diagrams
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- Minlex Form: Min and Max Lists / Chaining
1, 2
by holdout » Sun Jul 31, 2011 10:07 pm
- 22 Replies
- 5767 Views
- Last post by Mathimagics
Thu Aug 27, 2020 6:40 am
- Minlex Form: Min and Max Lists / Chaining
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- Sudoku Collection
by Pupp » Fri Aug 14, 2020 2:14 am - 9 Replies
- 2209 Views
- Last post by Pupp
Tue Aug 25, 2020 5:09 pm
- Sudoku Collection
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- DOES ANYONE KNOW WHAT'S THE BEST WAY TO RATE A SUDOKU?
by MADDY_KAPUR » Thu Jul 02, 2020 4:57 am - 13 Replies
- 1699 Views
- Last post by Pupp
Sun Aug 23, 2020 3:11 pm
- DOES ANYONE KNOW WHAT'S THE BEST WAY TO RATE A SUDOKU?
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- Sudoku raters / rating puzzle difficulty
by Pupp » Thu Aug 13, 2020 1:18 am - 3 Replies
- 1125 Views
- Last post by denis_berthier
Fri Aug 21, 2020 5:58 am
- Sudoku raters / rating puzzle difficulty
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- 17 clue puzzle difficulty
by Pupp » Wed Aug 12, 2020 7:38 pm - 7 Replies
- 1376 Views
- Last post by Pupp
Fri Aug 14, 2020 4:07 am
- 17 clue puzzle difficulty
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- Distribution of clues in boxes
by JPF » Tue Aug 11, 2020 8:55 pm - 1 Replies
- 867 Views
- Last post by Serg
Wed Aug 12, 2020 5:39 pm
- Distribution of clues in boxes
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- Named Intersections
by kdub » Mon Jul 20, 2020 12:47 am - 7 Replies
- 1027 Views
- Last post by Pupp
Sat Aug 01, 2020 4:22 pm
- Named Intersections
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- Sudoku coordinate systems?
by SpAce » Mon Jul 20, 2020 12:36 am - 9 Replies
- 1913 Views
- Last post by SpAce
Tue Jul 21, 2020 10:18 pm
- Sudoku coordinate systems?
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- Sudoku for android that can open *.sdm files?
by Pupp » Sat Jul 18, 2020 4:46 am - 10 Replies
- 1345 Views
- Last post by tarek
Mon Jul 20, 2020 9:44 am
- Sudoku for android that can open *.sdm files?
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- Help with topics for Sudoku tutorials
by dxSudoku » Tue Jun 16, 2020 2:39 am - 3 Replies
- 965 Views
- Last post by jco
Sat Jul 18, 2020 11:16 am
- Help with topics for Sudoku tutorials
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- Sudoku on Kindle (and browser)
by mbk » Sat Jul 11, 2020 11:20 am - 4 Replies
- 3718 Views
- Last post by mbk
Wed Jul 15, 2020 7:37 am
- Sudoku on Kindle (and browser)
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- How is Sudoku helping any one in their career?
by aashni » Mon Mar 23, 2020 12:12 pm - 3 Replies
- 1171 Views
- Last post by tarek
Tue Jul 14, 2020 8:30 pm
- How is Sudoku helping any one in their career?
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- total noob - small number placement in cell
by reber1b » Thu Apr 16, 2020 8:34 pm - 1 Replies
- 806 Views
- Last post by Pupp
Sun Jul 12, 2020 1:17 am
- total noob - small number placement in cell
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- 17 Clue Puzzle collection
by Pupp » Fri Jul 10, 2020 8:08 pm - 5 Replies
- 1221 Views
- Last post by Pupp
Sat Jul 11, 2020 2:54 pm
- 17 Clue Puzzle collection
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- Sudoku Rater suggestion
by Pupp » Thu Jul 09, 2020 11:58 am - 7 Replies
- 917 Views
- Last post by Pupp
Fri Jul 10, 2020 4:42 pm
- Sudoku Rater suggestion
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- New challenges - 1
1, 2by JPF » Tue Jun 16, 2020 3:35 pm - 21 Replies
- 2415 Views
- Last post by m_b_metcalf
Fri Jul 03, 2020 9:27 am
- New challenges - 1
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- Patterns Game benchmark file
1, 2 by m_b_metcalf » Thu Nov 19, 2015 8:28 am
- 27 Replies
- 3945 Views
- Last post by 1to9only
Thu May 28, 2020 5:43 pm
- Patterns Game benchmark file
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- Bad programming Sudoku
by Fritsel » Sat Jan 04, 2020 10:59 am - 10 Replies
- 1422 Views
- Last post by SpAce
Sun May 10, 2020 10:15 pm
- Bad programming Sudoku
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- Investigation of 4 free boxes (square) patterns
1, 2by Serg » Sat Mar 14, 2020 5:04 pm - 27 Replies
- 3000 Views
- Last post by coloin
Wed May 06, 2020 11:34 am
- Investigation of 4 free boxes (square) patterns
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- Number of non equivalent patterns having N clues
1, 2by JPF » Sun Apr 22, 2012 11:18 pm - 22 Replies
- 6880 Views
- Last post by coloin
Wed May 06, 2020 10:58 am
- Number of non equivalent patterns having N clues
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- Backdoors and puzzle difficulty level
by Mauriès Robert » Fri Apr 17, 2020 11:53 am - 4 Replies
- 1190 Views
- Last post by StrmCkr
Thu Apr 23, 2020 1:54 am
- Backdoors and puzzle difficulty level
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- New video on the Swordfish technique
by dxSudoku » Sun Apr 19, 2020 3:54 am - 0 Replies
- 787 Views
- Last post by dxSudoku
Sun Apr 19, 2020 3:54 am
- New video on the Swordfish technique
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- Please need HELP !!!!!
by Fehmi » Wed Jan 22, 2020 4:41 am
- 3 Replies
- 878 Views
- Last post by dxSudoku
Mon Apr 13, 2020 3:18 pm
- Please need HELP !!!!!
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- Website "Assistant Sudoku"
by Mauriès Robert » Sat Apr 04, 2020 8:57 am - 0 Replies
- 913 Views
- Last post by Mauriès Robert
Sat Apr 04, 2020 8:57 am
- Website "Assistant Sudoku"
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- A new fish collection
by pjb » Sun Mar 22, 2020 6:37 am - 1 Replies
- 1078 Views
- Last post by tarek
Sun Mar 22, 2020 8:16 am
- A new fish collection
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- Sudoku - difficulty classification
by swaatacba » Sat Feb 08, 2020 10:22 am
- 6 Replies
- 1102 Views
- Last post by swaatacba
Tue Feb 11, 2020 10:11 pm
- Sudoku - difficulty classification
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- medium sudoku books
by bugs » Sat Feb 01, 2020 10:10 pm - 1 Replies
- 994 Views
- Last post by Mathimagics
Mon Feb 03, 2020 2:00 pm
- medium sudoku books
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- Solution counts after random generation, 1 clue relaxation
by tdillon » Sun Jan 26, 2020 7:20 am - 10 Replies
- 1328 Views
- Last post by tdillon
Wed Jan 29, 2020 5:51 pm
- Solution counts after random generation, 1 clue relaxation
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- independent grid Sudoku
by hj_18 » Fri Jan 10, 2020 1:20 am - 0 Replies
- 1002 Views
- Last post by hj_18
Fri Jan 10, 2020 1:20 am
- independent grid Sudoku
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- I use translate
by itadep » Fri Dec 06, 2019 2:42 pm - 0 Replies
- 971 Views
- Last post by itadep
Fri Dec 06, 2019 2:42 pm
- I use translate
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- I need a sudoku board recommendation for Christmas!
by AngeLinus » Mon Dec 02, 2019 6:44 am - 0 Replies
- 939 Views
- Last post by AngeLinus
Mon Dec 02, 2019 6:44 am
- I need a sudoku board recommendation for Christmas!
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- Backdoor, T&E or Colouring?
by Yogi » Mon Nov 25, 2019 5:16 am - 5 Replies
- 1264 Views
- Last post by Mauriès Robert
Sat Nov 30, 2019 4:35 pm
- Backdoor, T&E or Colouring?
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- Help with Next Steps in this game
by azncandylovero4 » Sat Nov 23, 2019 8:27 pm
- 2 Replies
- 953 Views
- Last post by azncandylovero4
Sun Nov 24, 2019 2:03 pm
- Help with Next Steps in this game
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- Double Sudoku 9x9 success
by Pupp » Tue Nov 05, 2019 2:54 am - 3 Replies
- 2019 Views
- Last post by 1to9only
Tue Nov 12, 2019 5:27 pm
- Double Sudoku 9x9 success
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- High Clue Puzzles
by Mathimagics » Mon Nov 04, 2019 9:45 am - 5 Replies
- 1155 Views
- Last post by dobrichev
Mon Nov 04, 2019 1:24 pm
- High Clue Puzzles
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